Causes of Global Warming

1. Causes of Global Warming What is global warming? Global warming is the steady rise in Earth’s average surface temperature due to the increasing levels of greenhouse gases in the atmosphere. Greenhouse gases trap the natural great from the sun and accumulate heat. Global warming is a kind of climate change that is chiefly directed by human-made activities. There have been numerous global climate changes before, but they were all due to natural occurrences. But since the industrial revolution, human society advanced to complex energy-driven systems capable of widespread pollution. What causes global warming? Why is global warming happening? What is global warming caused by?

2. Well, the last 200 years have witnessed remarkable progress in science and technology. The industrial revolution allowed massive energy production and promised economic growth and surplus for larger populations. However, this came at the cost of unchecked natural and pollution of air, water, and soil. Human activities of burning fossil fuel, deforestation, and farming, released vast amounts of gases like carbon dioxide, methane, and other greenhouse gases. These gases invariably absorb the heat from the sun and the surface leading to continuous heat accumulation. resource exploitation Greenhouse gases & global warming Greenhouse gases and global warming are like the two sides of the same coin. A greenhouse gas can absorb and emit radiant energy within the thermal infrared range. The major greenhouse gases are methane [CH4], water vapor [H2O], nitrous oxide [N2O], carbon dioxide [CO2], and ozone [O3] are the leading causes of global warming. If not for greenhouse gases, the average temperature on Earth would be -18 °C (0 °F). The current average temperature is 15 °C (59 °F). How does carbon dioxide cause global warming? Does CO2 cause global warming? Most certainly. CO2 is most potent in retaining surface heat and raising temperatures. Since the Industrial Revolution, we have seen an almost 50% increase in the atmospheric concentration of carbon dioxide. concentration increased from 280 ppm (parts per million) in 1750 to 415 ppm in 2019. Prior to this, the atmospheric concentration of carbon dioxide was so high about 3 million years ago. This is clearly the most long-term enforcement of climate change. CO2, once released in the atmosphere, remains for hundreds of years. Though CO2 is helpful for plant growth, large amounts of it only reduce the nutritional value in crops. Agricultural activities, especially extensive grazing, paddy cultivation, and single-crop farming, release large amounts of methane. Methane concentrations contribute to almost 10% of global warming from the greenhouse effect. Nevertheless, clouds and water vapor remain the leading direct contributor to the greenhouse effect. Though the levels vary locally, on average, water vapor contributes to half of the greenhouse effect. For example, CO2 Related article: What is Global Warming?

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